The gas used to dilute oxygen for breathing by deep sea divers is: (1) Neon (2) Argon (3) Nitrogen (4) Helium

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Answer :

Helium

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Description : The gas used to dilute oxygen for breathing by deep sea divers is- (1) Neon (2) Argon (3) Nitrogen (4) Helium

Last Answer : (4) Helium Explanation: Helium is used since it has very low (almost non-existent) narcotic properties. The nitrogen in air is highly narcotic at depth and adding helium allows one to dive without the effects of narcosis (where one's mind is impaired).

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is: (1) Neon (2) Argon (3) Krypton (4) Helium

Last Answer : (4) Helium Explanation: Helium is used since it has very low (almost non-existent) narcotic properties. The nitrogen in air is highly narcotic at depth and adding helium allows one to dive without the effects of narcosis (where one's mind is impaired).

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is – (1) Neon (2) Krypton (3) Argon (4) Helium

Last Answer : (4) Helium Explanation: Helium is used by deep sea divers because it reduces the narcosis of nitrogen and it remains below the oxygen toxicity limits. In fact, they use tri mix of Oxygen, helium and a little bit of nitrogen.

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for Breathing is: (1) Neon (2) Argon (3) Krypton (4) Helium

Last Answer : Helium

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is - (1) Xenon (2) Krypton (3) Argon (4) Helium

Last Answer : (4) Helium Explanation: Trimix is a breathing gas, consisting of oxygen, helium and nitrogen, and is often used in deep commercial diving. The helium is included as a substitute for some ... possible to create mixes suitable for different depths or purposes by adjusting the proportions of each gas.

Description : The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is (1) Xenon (2) Krypton (3) Argon (4) Helium

Last Answer : Helium

Description : Which among the following is used to dilute oxygen in the gas cylinders used by divers? (1) Krypton (2) Argon (3) Helium (4) Neon

Last Answer : (3) Helium Explanation: Helium is used to dilute the oxygen and nitrogen to reduce these affects. Helium is the gas of choice to use because it is an inert gas, is thinner, therefore more compressible than air, and its narcotic properties are negligible in comparison to nitrogen.

Description : Which among the following is used to dilute oxygen in the gas cylinders used by divers ? (1) Krypton (2) Argon (3) Helium (4) Neon

Last Answer : Helium

Description : In deep-sea diving, divers use a mixture of gases consisting of oxygen and – (1) hydrogen (2) nitrogen (3) argon (4) helium

Last Answer : (2) nitrogen Explanation: Air is not the "ideal" breathing mixture for diving as with a concentration of approximately 79 percent nitrogen, compressed air poses two potential problems for all divers: ... Nitrox, a gaseous mixture of nitrogen and oxygen. It is also known as 'Enriched Air.'

Description : In deep-sea diving, divers use a mixture of gases consisting of oxygen and (1) hydrogen (2) nitrogen (3) argon (4) helium

Last Answer : nitrogen

Description : (4) less soluble in blood than nitrogen at high pressure Explanation: Deep-sea divers have their oxygen supply mixed with helium in order to avoid the toxic nature of oxygen under extreme pressures. The ... blood which blocks blood flow as the diver comes to the surface of the sea from underwater.

Last Answer : The chemical bahaviour of an atom depends upon - (1) the number of protons in its nucleus (2) the number of neutrons in the nucleus (3) the number of electrons orbiting around the nucleus (4) the number of nucleons in the nucleus

Description : Helium is added to the oxygen supply of deep sea divers because it is (1) less poisonous than nitrogen (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure

Last Answer : less soluble in blood than nitrogen at high pressure

Description : Helium - oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture, because

Last Answer : Helium - oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture, because ... . D. nitrogen is highly soluble in water.

Description : In preference to nitrogen -oxygen mixture (present in air), a helium -oxygen mixture is used by divers in deep sea because helium (a) is less toxic than nitrogen (b) can readily mix with oxygen ... ) is lighter than nitrogen (d) is less soluble in blood than nitrogen at high pressure under the sea

Last Answer : Ans:(d)

Description : Which of the following gases is mixed with oxygen for breathing by divers in aqualungs? (1) Methane (2) Nitrogen (3) Helium (4) Hydrogen

Last Answer : (2) Nitrogen Explanation: For some diving, has mixtures other than normal atmospheric air (21 % oxygen, 78% nitrogen, 1% trace gases) can be used, so long as the diver is properly ... reducing the likelihood of decompression sickness or allowing longer exposure to the same pressure for equal risk.

Description : Which of the following gases is mixed with oxygen for breathing by divers in aqualungs? (1) Methane (2) Nitrogen (3) Helium (4) Hydrogen

Last Answer : Nitrogen

Description : Oxygen The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

Description : Helium The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

Description : The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

Description : The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

Description : An inert gas mixed with oxygen given to patients suffering from restricted breathing is – (1) Helium (2) Krypton (3) Radon (4) Argon

Last Answer : (1) Helium Explanation: Heliox is a breathing has composed of a mixture of helium (He) and oxygen (O2). Heliox has been used medically since the 1930s, and although the medical community adopted ... its range of medical uses has since expanded greatly, mostly because of the low density of the gas

Description : An inert gas mixed with oxygen given to patients suffering from restricted breathing is (1) Helium (2) Krypton (3) Radon (4) Argon

Last Answer : Helium

Description : In addition to hydrogen, the other abundant element present on Sun’s surface is - (1) Helium (2) Neon (3) Argon (4) Oxygen

Last Answer : (1) Helium Explanation: The Sun is composed primarily of the chemical elements hydrogen and helium; they account for 74.9% and 23.8% of the mass of the Sun in the photosphere, respectively. All ... out of which it formed: the hydrogen and helium in the Sun were produced by Big Bang nucleosynthesis.

Description : In addition to hydrogen, the other abundant element present on Sun’s surface is (1) Helium (2) Neon (3) Argon (4) Oxygen

Last Answer : Helium

Description : Which of the following is not a noble gas? (1) Hydrogen (2) Helium (3) Neon (4) Argon

Last Answer : (1) Hydrogen Explanation: The noble gases are the chemical elements in group 18 of the periodic table. This chemical series contains helium, neon, argon, krypton, xenon, and radon.

Description : Which of the following is not a noble gas ? (1) Hydrogen (2) Helium (3) Neon (4) Argon

Last Answer : Hydrogen

Description : The most abundant inert gas in the atmosphere is (1) Helium (2) Neon (3) Argon (4) Krypton

Last Answer : Argon

Description : The noble gas which occurs most abundantly in the atmosphere is (A) Helium (B) Neon (C) Krypton (D) Argon

Last Answer : (D) Argon

Description : Which of the following elements has the highest first ionization energy? w) Helium x) Neon y) Fluorine z) Argon

Last Answer : ANSWER: W -- HELIUM

Description : The coloured discharge tubes for advertisement mainly contain (1) Xenon (2) Argon (3) Helium (4) Neon

Last Answer : Neon

Description : Why do Helium, Neon and Argon have a zero valency? -Science

Last Answer : Helium has 2 electrons in its outermost orbit thus filling shell 1 and forming duplet configuration in the valence shell. Neon has 8 electrons in their valence orbit hence completing duplet ... reach stable electron configuration and they will not take part in any sort of chemical reactions.

Description : Which element forms compounds with all others elements except except helium neon and argon?

Last Answer : i believe the answer is flourine.

Description : Helium (He), neon (Ne) and argon (Ar) are all colorless, odorless gases with low chemical reactivity. Based on the periodic table, which other element would also have those same properties?

Last Answer : Helium

Description : Common type of Laser used in physics laboratories is a) hydrogen neon Laser b) helium-neon Laser c) carbon neon Laser d) argon neon laser

Last Answer : b) helium-neon Laser

Description : Name the gas which is used in balloons in the place of hydrogen? (1) nitrogen (2) helium (3) neorn (4) argon

Last Answer : (2) helium Explanation: Helium is used in balloons in the place of hydrogen. This is because hydrogen is a combustible gas and when burst can cause skin burns.

Description : In which of the following groups, are the elements written in the descending order of their respective atomic weights? (a) Nitrogen, carbon, oxygen, hydrogen (b) Oxygen, argon, nitrogen, hydrogen (c) Oxygen, nitrogen, helium, hydrogen (d) Oxygen, nitrogen, helium, bromine

Last Answer : Ans:(c)

Description : Which are the only two elements on the periodic table that are liquid at room temperature? A. Mercury and Bromine (Answer) B. Carbon and helium C. Nitrogen and Hydrogen D. Oxygen and Neon

Last Answer : A. Mercury and Bromine (Answer)

Description : The gases which are used by drivers as an artificial atmosphere are helium and-------? A. Nitrogen B. Oxygen (Answer) C. Neon D. Carbon monoxide

Last Answer : B. Oxygen (Answer)

Description : what- The deep sea divers kept warm by wearing suits that water could not penetrate?

Last Answer : pass into

Description : Sea divers go deep in the sea water with a mixture of which of the following gases

Last Answer : Sea divers go deep in the sea water with a mixture of which of the following gases A. `O_(2)` and He B. `O_(2 ... (2)` and `CO_(2)` D. `CO_(2)` and Ar

Description : Which is also called Stranger Gas? (1) Xenon (2) Neon (3) Argon (4) Nitrous oxide

Last Answer : (1) Xenon Explanation: Xenon is also called Stranger Gas. The element's name came from the Greek word xenos, which means 'stranger'. Xenon belongs to the group of the noble gases.

Description : The noble gas used in radiotherapy is (1) neon (2) argon (3) radon (4) xenon

Last Answer : (3) radon Explanation: An early-20th-century form of quackery was the treatment of maladies in a radiotorium. It was a small, sealed room for patients to be exposed to radon for its " ... , which results in genetic and other cell damage, resulting in increased rates of illness, including cancer.

Description : The noble gas used in radiotherapy is (1) neon (2) argon (3) radon (4) xenon

Last Answer : radon

Description : Which of the following is an Inert Gas? (1) Hydrogen (2) Nitrogen (3) Oxygen (4) Argon

Last Answer : (4) Argon Explanation: Argon is an inert gas (noble gas) that is placed in Group 18 of the periodic table. It is the most abundant noble gas in Earth's crust, comprising 20.00015% of the crust. Helium ... (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn) are other noble gases that occur naturally.

Description : Which of the following is a noble gas - (1) Argon (2) Hydrogen (3) Oxygen (4) Nitrogen

Last Answer : (1) Argon Explanation: Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table.

Description : Which of the following is a monoatomic gas? (1) Oxygen (2) Neon (3) Nitrogen (4) Fluorine

Last Answer : (2) Neon Explanation: All elements will be monatomic in the gas phase at sufficiently high temperatures. At standard temperature and pressure (STP), all of the noble gases are monatomic. These ... krypton, xenon and radon. Monatomic hydrogen comprises about 75% of the elemental mass of the universe.

Description : Which of the following is a monoatomic gas? (1) Oxygen (2) Neon (3) Nitrogen (4) Fluorine

Last Answer : Neon

Description : Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? (1) Helium (2) Nitrogen (3) Oxygen (4) Hydrogen

Last Answer : (4) Hydrogen Explanation: At standard temperature and pressure, hydrogen is a colourless, odorless, tasteless, non-toxic, nonmetallic, highly combustible diatomic has with the molecular ... important role in acid-base chemistry with many reactions exchanging protons between soluble molecules.

Description : The gas which turns into liquid at the lowest temperature among the following is – (1) hydrogen (2) oxygen (3) helium (4) nitrogen

Last Answer : (1) hydrogen Explanation: Liquid hydrogen (LH2) is the liquid state, of the element hydrogen. Hydrogen is found naturally in the molecular H2 form. To exist as a liquid, H2 must ... method of obtaining liquid hydrogen involves a compressor resembling a jet engine in both appearance and principle.

Description : Dry ice is the solid form of what gas? w) nitrogen x) oxygen y) helium z) carbon dioxide

Last Answer : ANSWER: Z -- CARBON DIOXIDE